package day5;

import java.util.*;

/**
 * @author oldliu
 * @since 1.0
 */
public class WrapBox {
    public static void main(String[] args) {
        Integer i=100;
        Integer j=new Integer("123");
        int k=j;
        List<Integer> list=new ArrayList<>();
        int i2 = Integer.parseInt("12");
        System.out.println(i2);
        System.out.println(Integer.MAX_VALUE);
        System.out.println(Integer.MIN_VALUE);

        int f=-2147483648;
        int h=-f;
        System.out.println(h);
    }
}
